Species MammalsNorth American Wolverine

North American Wolverine

Gulo gulo luscus

RareMammal
Illustration of North American Wolverine (Gulo gulo luscus)

The North American Wolverine subspecies was recently listed as Threatened under the U.S. Endangered Species Act, driven primarily by projected loss of persistent spring snow cover needed for denning. It requires enormous territories—females may range over 500 square miles—and cannot tolerate fragmented or developed landscapes. The wolverine's strength-to-size ratio is extraordinary among mustelids, allowing it to dominate carcasses against much larger predators.

Habitat
Boreal and alpine forests, tundra, and remote mountainous terrain
Diet
Carrion, snowshoe hares, ground squirrels, and berries
How common
Rare

Best time to see a North American Wolverine

The best time to see a North American Wolverine is January–July, when about 70% of U.S. sightings happen, based on 109 research-grade iNaturalist observations.

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Recent North American Wolverine sightings near you

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